202118 has 8 divisors (see below), whose sum is σ = 346512. Its totient is φ = 86616.

The previous prime is 202109. The next prime is 202121. The reversal of 202118 is 811202.

202118 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (14), and also a Moran number because the ratio is a prime number: 14437 = 202118 / (2 + 0 + 2 + 1 + 1 + 8).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 7205 + ... + 7232.

It is an arithmetic number, because the mean of its divisors is an integer number (43314).

2²⁰²¹¹⁸ is an apocalyptic number.

202118 is a deficient number, since it is larger than the sum of its proper divisors (144394).

202118 is a wasteful number, since it uses less digits than its factorization.

202118 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14446.

The product of its (nonzero) digits is 32, while the sum is 14.

The square root of 202118 is about 449.5753551964. The cubic root of 202118 is about 58.6860659560.

The spelling of 202118 in words is "two hundred two thousand, one hundred eighteen".